Class: Opsicle::DeleteInstance

Inherits:
Object
  • Object
show all
Defined in:
lib/opsicle/commands/delete_instance.rb

Instance Method Summary collapse

Constructor Details

#initialize(environment) ⇒ DeleteInstance

Returns a new instance of DeleteInstance.



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# File 'lib/opsicle/commands/delete_instance.rb', line 11

def initialize(environment)
  @client = Client.new(environment)
  @opsworks_adapter = OpsworksAdapter.new(@client)
  stack_id = @client.config.opsworks_config[:stack_id]
  @stack = ManageableStack.new(stack_id, @opsworks_adapter.client)
  @cli = HighLine.new
end

Instance Method Details

#deleteable_instances(layer) ⇒ Object 



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# File 'lib/opsicle/commands/delete_instance.rb', line 33

def deleteable_instances(layer)
  @stack.deleteable_instances(layer)
end

#execute(options = {}) ⇒ Object 



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# File 'lib/opsicle/commands/delete_instance.rb', line 19

def execute(options={})
  puts "Stack ID = #{@stack.id}"
  layer = select_layer
  instances_to_delete = select_instances(layer)
  instances_to_delete.each do |instance|
    begin
      @opsworks_adapter.delete_instance(instance.instance_id)
      puts "Successfully deleted #{instance.hostname}"
    rescue
      puts "Failed to delete #{instance.hostname}"
    end
  end
end

#select_instances(layer) ⇒ Object 



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# File 'lib/opsicle/commands/delete_instance.rb', line 51

def select_instances(layer)
  instances = deleteable_instances(layer)
  return_array = []
  if instances.empty?
    puts "There are no deletable instances."
  else
    puts "\nDeleteable Instances:\n"
    instances.each_with_index { |instance, index| puts "#{index.to_i + 1}) #{instance.status} - #{instance.hostname}" }
    instance_indices_string = @cli.ask("Which instances would you like to delete? (enter as a comma separated list)\n", String)
    instance_indices_list = instance_indices_string.split(/,\s*/)
    instance_indices_list.map! { |instance_index| instance_index.to_i - 1 }
    instance_indices_list.each do |index|
      return_array << instances[index]
    end
  end
  return_array
end

#select_layer ⇒ Object 



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# File 'lib/opsicle/commands/delete_instance.rb', line 37

def select_layer
  puts "\nLayers:\n"
  ops_layers = @opsworks_adapter.get_layers(@stack.id)

  layers = []
  ops_layers.each do |layer|
    layers << ManageableLayer.new(layer.name, layer.layer_id, @stack, @opsworks_adapter.client, @client.ec2, @cli)
  end

  layers.each_with_index { |layer, index| puts "#{index.to_i + 1}) #{layer.name}" }
  layer_index = @cli.ask("Layer?\n", Integer) { |q| q.in = 1..layers.length.to_i } - 1
  layers[layer_index]
end